MAX14820 Datasheet, PDF (12/29 Pages) Maxim Integrated Products – IO-Link Device Transceiver

MAX14820
IO-Link Device Transceiver
Typical Operating Characteristics (continued)
(V_CC = 24V, LDOIN = V_P, V_L = LDO33, C/Q and DO in push-pull configuration, T_A = +25NC, unless otherwise noted.)
C/Q DRIVER OUTPUT SWITCHING
(HiSlew = 0)
MAX14820 toc07
C/Q DRIVER OUTPUT SWITCHING
(HiSlew = 1)
MAX14820 toc08
VTXC=TXQ
2V/div
0V
VC/Q
5V/div
0V
2µs/div
Ch1 Ch2
1.430µs
Ch1 Ch2
1.330µs
Ch2 RISE
1.583µs
Ch2 FALL
1.455µs
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE (RxFilter = 0)
550
500
450
400
DI TO LI
350 _{C/Q TO RX}
300
250
200
150
100
-45 -30 -15 0 15 30 45 60 75 90
TEMPERATURE (°C)
WAKE-UP DETECTION
MAX14820 toc11
40µs/div
VC/Q
10V/div
0V
V_WU
2V/div
0V
VTXC=TXQ
2V/div
0V
VC/Q
5V/div
0V
2µs/div
Ch1 Ch2
357.1ns
Ch1 Ch2
335.4ns
Ch2 RISE
343.5ns
Ch2 FALL
331.7ns
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE (RxFilter = 1)
400
350
300
250
200
DI TO LI
150
C/Q TO RX
100
50
0
-45 -30 -15 0 15 30 45 60 75 90
TEMPERATURE (°C)
C/Q SHORT-CIRCUIT PROTECTION
MAX14820 toc12
TXEN = VL, TXC = TXQ = GND
tSHORT = 200µs
40µs/div
V_C/Q
10V/div
0V
ISOURCE
200mA/div
0mA
VIRQ
2V/div
0V
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